Across
- 2. A free floating cnidarian
- 4. Aids in reproduction and nutrient transportation
- 5. A phylum
- 11. The outer layer of a cell
- 12. A body plan with a partial body cavity but no organs
- 14. Egg+sperm= ?
- 15. The middle layer of a cell
- 16. Is asymmetrical
Down
- 1. Means sperm and eggs can be produced in the same body
- 3. Line interior of sponge
- 6. The inner layer of a cell
- 7. A body plan with no body cavity or organs
- 8. Sting prey for a cnidarian
- 9. Gives support and structure to sponge
- 10. A body plan with a full complete body cavity with organs
- 13. The only freshwater cnidarian